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2026-03-29 - 08:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Mar 29, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28356212766,6sleep10-21swapper/119:09:451
28153212365,6sleep20-21swapper/219:07:082
2338121210,2sleep30-21swapper/319:05:123
280962110100,7sleep00-21swapper/019:06:230
316762670,0sleep20-21swapper/223:00:152
191882650,0sleep30-21swapper/323:15:183
85502640,1sleep20-21swapper/221:10:222
180472610,0sleep118051-21gltestperf23:45:161
100092610,0sleep10-21swapper/119:20:131
100092610,0sleep10-21swapper/119:20:121
114452570,1sleep229-21rcuc/220:15:242
290912560,0sleep00-21swapper/023:55:160
14332550,0sleep20-21swapper/221:05:182
239392490,0sleep223942-21ntp_kernel_err20:55:212
2854699291,27cyclictest0-21swapper/200:35:172
2854699280,27cyclictest0-21swapper/220:09:462
2853899280,27cyclictest0-21swapper/119:38:351
28546992723,3cyclictest0-21swapper/219:12:092
2854699270,26cyclictest0-21swapper/221:26:012
2854699270,26cyclictest0-21swapper/219:57:402
2853899270,26cyclictest0-21swapper/123:57:371
2853899270,26cyclictest0-21swapper/123:44:371
2853899270,26cyclictest0-21swapper/123:15:541
2853899270,26cyclictest0-21swapper/123:08:511
2853899270,26cyclictest0-21swapper/122:18:081
2853899270,26cyclictest0-21swapper/122:11:031
2853899270,26cyclictest0-21swapper/121:58:511
2853899270,26cyclictest0-21swapper/120:49:101
2853899270,26cyclictest0-21swapper/120:26:441
2853899270,26cyclictest0-21swapper/119:49:351
2853899270,26cyclictest0-21swapper/100:38:311
2853899270,26cyclictest0-21swapper/100:26:221
2853899270,26cyclictest0-21swapper/100:22:461
2854699260,25cyclictest0-21swapper/223:48:552
2854699260,25cyclictest0-21swapper/223:43:132
2854699260,25cyclictest0-21swapper/223:31:152
2854699260,25cyclictest0-21swapper/222:58:062
2854699260,25cyclictest0-21swapper/221:02:582
2853899260,25cyclictest0-21swapper/123:51:161
2853899260,25cyclictest0-21swapper/123:13:241
2853899260,25cyclictest0-21swapper/121:43:361
2853899260,25cyclictest0-21swapper/121:29:351
2853899260,25cyclictest0-21swapper/121:17:321
2853899260,25cyclictest0-21swapper/120:42:171
2853899260,25cyclictest0-21swapper/120:21:251
2853899260,25cyclictest0-21swapper/120:02:261
2853899260,25cyclictest0-21swapper/119:11:121
2854699250,24cyclictest0-21swapper/223:29:572
2854699250,24cyclictest0-21swapper/221:46:092
2854699250,24cyclictest0-21swapper/200:10:012
28538992523,2cyclictest0-21swapper/120:13:531
2853899250,24cyclictest0-21swapper/100:01:411
28546992416,7cyclictest0-21swapper/223:54:192
2854699240,23cyclictest0-21swapper/221:52:532
28538992422,2cyclictest0-21swapper/121:36:531
28535992415,8cyclictest0-21swapper/022:10:240
2854699231,3cyclictest0-21swapper/223:18:032
2854699230,22cyclictest0-21swapper/220:51:232
2854699230,17cyclictest0-21swapper/221:17:222
28538992316,7cyclictest0-21swapper/120:54:231
2853899230,22cyclictest0-21swapper/121:49:121
28546992219,2cyclictest749-21snmpd23:57:522
2854699220,21cyclictest0-21swapper/200:01:312
28538992220,2cyclictest0-21swapper/123:33:541
28538992220,2cyclictest0-21swapper/119:41:071
28538992219,3cyclictest0-21swapper/121:04:021
2853899221,20cyclictest0-21swapper/120:16:161
2853899220,21cyclictest0-21swapper/123:24:031
2853899220,21cyclictest0-21swapper/122:45:391
2853899220,21cyclictest0-21swapper/122:38:101
2853899220,21cyclictest0-21swapper/120:35:021
2853899220,21cyclictest0-21swapper/100:18:491
2854699216,14cyclictest0-21swapper/222:05:102
28546992118,2cyclictest749-21snmpd22:32:212
28546992118,2cyclictest749-21snmpd21:42:302
28546992118,2cyclictest749-21snmpd21:30:322
28546992117,3cyclictest0-21swapper/222:19:302
28546992114,7cyclictest0-21swapper/221:20:242
2854699210,20cyclictest0-21swapper/220:28:202
2854699210,20cyclictest0-21swapper/220:14:562
2854699210,20cyclictest0-21swapper/219:43:372
28538992119,2cyclictest0-21swapper/121:09:591
28538992117,3cyclictest0-21swapper/119:16:161
2853899210,2cyclictest0-21swapper/123:25:451
2853899210,20cyclictest0-21swapper/123:01:211
2853899210,20cyclictest0-21swapper/122:41:361
2853899210,20cyclictest0-21swapper/122:22:391
2853899210,20cyclictest0-21swapper/120:31:131
28535992117,2cyclictest749-21snmpd00:00:190
28546992018,2cyclictest0-21swapper/219:36:172
28546992018,2cyclictest0-21swapper/219:33:152
28546992018,2cyclictest0-21swapper/219:15:012
28546992018,1cyclictest749-21snmpd22:49:362
28546992018,1cyclictest749-21snmpd20:46:072
28546992018,1cyclictest749-21snmpd20:22:342
28546992018,1cyclictest749-21snmpd00:32:282
28546992017,2cyclictest16324-21cat19:25:172
28546992017,2cyclictest0-21swapper/220:40:172
28546992016,3cyclictest0-21swapper/200:20:342
2854699200,2cyclictest0-21swapper/223:20:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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